Compilare: user.c: In function ‘main’: user.c:7:80: warning: unused variable ‘pt’ [-Wunused-variable] int cer, n, x, y, i, cy, stare = 0, l, ap, lmax = 0, poz1, pozmax1, pozmax2, pt; ^ user.c:8:3: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &cer, &n); ^ user.c:9:5: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x); ^ user.c:14:5: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &y); ^ user.c:39:5: warning: ‘pozmax2’ may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(fout, "%d %d %d\n", l + 1, pozmax1 + 1, pozmax2 + 1); ^ user.c:39:5: warning: ‘pozmax1’ may be used uninitialized in this function [-Wmaybe-uninitialized]